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Finding the Third Proportional to 9,890,877 and 21,088,203

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Solution

The third proportional to 9,890,877 and 21,088,203 is: 44,961,867.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890,877 : 21,088,203 = 21,088,203 : x
  2. Step 2: Convert to fraction form
    9,890,877/21,088,203 = 21,088,203/x
  3. Step 3: Cross multiply
    9,890,877x = 21,088,203 × 21,088,203
  4. Step 4: Simplify right side
    9,890,877x = 444,712,305,769,209
  5. Step 5: Solve for x
    x = 444,712,305,769,209/9,890,877
  6. Step 6: Final answer
    x = 44,961,867.97

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.